USB charger



FIG. 1 is a front elevational view of a embodiment of a USB charger;

FIG. 2 is a rear elevational view of the embodiment of the USB charger;

FIG. 3 is a top plan view of the first embodiment of the USB charger;

FIG. 4 is a bottom plan view of the first embodiment of the USB charger;

FIG. 5 is a left side elevational view of the embodiment of the USB charger, and the right side view is a mirror image of the left side view;

FIG. 6 is a first perspective view of the embodiment of the USB charger;

FIG. 7 is a second perspective view of the embodiment of the USB charger;

FIG. 8 is a third perspective view of the embodiment of the USB charger; and,

FIG. 9 is a fourth perspective view of the embodiment of the USB charger.

The broken lines shown in the drawings are included for the purpose of illustrating environmental structure and form no part of the claimed design. 

CLAIM The ornamental design for a USB charger, as shown and described. 